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Refactor ThumbnailsCacheManager to reduce repeated code

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This commit is contained in:
jabarros 2014-12-29 14:54:45 +01:00
parent 2319a52bab
commit fe5c6b6542
3 changed files with 272 additions and 252 deletions
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469
src/com/owncloud/android/datamodel/ThumbnailsCacheManager.java
View file

@ -139,140 +139,127 @@ public class ThumbnailsCacheManager {
return null;
}
public static boolean cancelPotentialWork(OCFile file, ImageView imageView) {
final ThumbnailGenerationTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
public interface AsyncTaskFile {
public String getId();
public String getTagId();
public String getPath();
public String getRemotePath();
public boolean getNeedsUpdateThumbnail();
public void setNeedsUpdateThumbnail(boolean needsUpdate);
public boolean getIsDown();
public Object getFile();
if (bitmapWorkerTask != null) {
final OCFile bitmapData = bitmapWorkerTask.mFile;
// If bitmapData is not yet set or it differs from the new data
if (bitmapData == null || bitmapData != file) {
// Cancel previous task
bitmapWorkerTask.cancel(true);
} else {
// The same work is already in progress
return false;
}
}
// No task associated with the ImageView, or an existing task was cancelled
return true;
}
public static boolean cancelPotentialWork(File file, ImageView imageView) {
final ThumbnailLocalGenerationTask bitmapWorkerTask = getBitmapLocalWorkerTask(imageView);
if (bitmapWorkerTask != null) {
final File bitmapData = bitmapWorkerTask.mFile;
// If bitmapData is not yet set or it differs from the new data
if (bitmapData == null || bitmapData != file) {
// Cancel previous task
bitmapWorkerTask.cancel(true);
} else {
// The same work is already in progress
return false;
}
}
// No task associated with the ImageView, or an existing task was cancelled
return true;
}
public static ThumbnailGenerationTask getBitmapWorkerTask(ImageView imageView) {
if (imageView != null) {
final Drawable drawable = imageView.getDrawable();
if (drawable instanceof AsyncDrawable) {
final AsyncDrawable asyncDrawable = (AsyncDrawable) drawable;
return asyncDrawable.getBitmapWorkerTask();
}
}
return null;
}
public static ThumbnailLocalGenerationTask getBitmapLocalWorkerTask(ImageView imageView) {
if (imageView != null) {
final Drawable drawable = imageView.getDrawable();
if (drawable instanceof AsyncLocalDrawable) {
final AsyncLocalDrawable asyncDrawable = (AsyncLocalDrawable) drawable;
return asyncDrawable.getBitmapWorkerTask();
}
}
return null;
}
public static class ThumbnailLocalGenerationTask extends AsyncTask<File, Void, Bitmap> {
private final WeakReference<ImageView> mImageViewLocalReference;
public static class AsyncTaskFileLocal implements AsyncTaskFile{
private File mFile;
public ThumbnailLocalGenerationTask(ImageView imageView) {
// Use a WeakReference to ensure the ImageView can be garbage collected
mImageViewLocalReference = new WeakReference<ImageView>(imageView);
private boolean mNeedsUpdate;
public AsyncTaskFileLocal(File file){
mFile = file;
mNeedsUpdate = false;
}
// Decode image in background.
@Override
protected Bitmap doInBackground(File... params) {
Bitmap thumbnail = null;
try {
mFile = params[0];
final String imageKey = String.valueOf(mFile.hashCode());
// Check disk cache in background thread
thumbnail = getBitmapFromDiskCache(imageKey);
// Not found in disk cache
if (thumbnail == null) {
// Converts dp to pixel
Resources r = MainApp.getAppContext().getResources();
int px = (int) Math.round(r.getDimension(R.dimen.file_icon_size));
Bitmap bitmap = BitmapUtils.decodeSampledBitmapFromFile(
mFile.getAbsolutePath(), px, px);
if (bitmap != null) {
thumbnail = ThumbnailUtils.extractThumbnail(bitmap, px, px);
// Add thumbnail to cache
addBitmapToCache(imageKey, thumbnail);
}
}
} catch (Throwable t) {
// the app should never break due to a problem with thumbnails
Log_OC.e(TAG, "Generation of thumbnail for " + mFile + " failed", t);
if (t instanceof OutOfMemoryError) {
System.gc();
}
}
return thumbnail;
public String getId() {
return String.valueOf(mFile.hashCode());
}
protected void onPostExecute(Bitmap bitmap){
if (isCancelled()) {
bitmap = null;
}
if (mImageViewLocalReference != null && bitmap != null) {
final ImageView imageView = mImageViewLocalReference.get();
final ThumbnailLocalGenerationTask bitmapWorkerTask = getBitmapLocalWorkerTask(imageView);
if (this == bitmapWorkerTask && imageView != null) {
if (imageView.getTag().equals(mFile.hashCode())) {
imageView.setImageBitmap(bitmap);
}
}
}
@Override
public String getTagId() {
return String.valueOf(mFile.hashCode());
}
@Override
public String getPath() {
return mFile.getAbsolutePath();
}
@Override
public String getRemotePath() {
return null;
}
@Override
public boolean getNeedsUpdateThumbnail() {
return mNeedsUpdate;
}
@Override
public void setNeedsUpdateThumbnail(boolean needsUpdate) {
mNeedsUpdate = needsUpdate;
}
@Override
public boolean getIsDown() {
return false;
}
@Override
public Object getFile() {
return mFile;
}
}
public static class ThumbnailGenerationTask extends AsyncTask<OCFile, Void, Bitmap> {
public static class AsyncTaskOCFile implements AsyncTaskFile{
private OCFile mFile;
public AsyncTaskOCFile(OCFile file){
mFile = file;
}
@Override
public String getId() {
return mFile.getRemoteId();
}
@Override
public String getTagId() {
return String.valueOf(mFile.getFileId());
}
@Override
public String getPath() {
return mFile.getStoragePath();
}
@Override
public String getRemotePath() {
return mFile.getRemotePath();
}
@Override
public boolean getNeedsUpdateThumbnail() {
return mFile.needsUpdateThumbnail();
}
@Override
public void setNeedsUpdateThumbnail(boolean needsUpdate) {
mFile.setNeedsUpdateThumbnail(needsUpdate);
}
@Override
public boolean getIsDown() {
return mFile.isDown();
}
@Override
public Object getFile() {
return mFile;
}
}
public static class ThumbnailGenerationGlobalTask extends AsyncTask<AsyncTaskFile, Void, Bitmap> {
private final WeakReference<ImageView> mImageViewReference;
private static Account mAccount;
private OCFile mFile;
private AsyncTaskFile mFile;
private FileDataStorageManager mStorageManager;
public ThumbnailGenerationTask(ImageView imageView, FileDataStorageManager storageManager, Account account) {
// Use a WeakReference to ensure the ImageView can be garbage collected
public ThumbnailGenerationGlobalTask(ImageView imageView, FileDataStorageManager storageManager, Account account) {
// Use a WeakReference to ensure the ImageView can be garbage collected
mImageViewReference = new WeakReference<ImageView>(imageView);
if (storageManager == null)
throw new IllegalArgumentException("storageManager must not be NULL");
@ -280,95 +267,115 @@ public class ThumbnailsCacheManager {
mAccount = account;
}
// Decode image in background.
public ThumbnailGenerationGlobalTask(ImageView imageView) {
// Use a WeakReference to ensure the ImageView can be garbage collected
mImageViewReference = new WeakReference<ImageView>(imageView);
}
@Override
protected Bitmap doInBackground(OCFile... params) {
protected Bitmap doInBackground(AsyncTaskFile... params) {
Bitmap thumbnail = null;
try {
if (mAccount != null) {
AccountManager accountMgr = AccountManager.get(MainApp.getAppContext());
mServerVersion = accountMgr.getUserData(mAccount, Constants.KEY_OC_VERSION);
OwnCloudAccount ocAccount = new OwnCloudAccount(mAccount, MainApp.getAppContext());
mClient = OwnCloudClientManagerFactory.getDefaultSingleton().
getClientFor(ocAccount, MainApp.getAppContext());
}
mFile = params[0];
final String imageKey = String.valueOf(mFile.getRemoteId());
final String imageKey = String.valueOf(mFile.getId());
// Check disk cache in background thread
thumbnail = getBitmapFromDiskCache(imageKey);
// Not found in disk cache
if (thumbnail == null || mFile.needsUpdateThumbnail()) {
// Converts dp to pixel
Resources r = MainApp.getAppContext().getResources();
int px = (int) Math.round(r.getDimension(R.dimen.file_icon_size));
if (mFile.isDown()){
Bitmap bitmap = BitmapUtils.decodeSampledBitmapFromFile(
mFile.getStoragePath(), px, px);
if (bitmap != null) {
thumbnail = ThumbnailUtils.extractThumbnail(bitmap, px, px);
// Rotate image, obeying exif tag
thumbnail = BitmapUtils.rotateImage(thumbnail, mFile.getStoragePath());
// Add thumbnail to cache
addBitmapToCache(imageKey, thumbnail);
mFile.setNeedsUpdateThumbnail(false);
mStorageManager.saveFile(mFile);
}
} else {
// Download thumbnail from server
if (mClient != null && mServerVersion != null) {
OwnCloudVersion serverOCVersion = new OwnCloudVersion(mServerVersion);
if (serverOCVersion.compareTo(new OwnCloudVersion(MINOR_SERVER_VERSION_FOR_THUMBS)) >= 0) {
try {
int status = -1;
if (mFile instanceof AsyncTaskOCFile) {
String uri = mClient.getBaseUri() + "/index.php/apps/files/api/v1/thumbnail/" +
px + "/" + px + Uri.encode(mFile.getRemotePath(), "/");
Log_OC.d("Thumbnail", "URI: " + uri);
GetMethod get = new GetMethod(uri);
status = mClient.executeMethod(get);
if (status == HttpStatus.SC_OK) {
byte[] bytes = get.getResponseBody();
Bitmap bitmap = BitmapFactory.decodeByteArray(bytes, 0, bytes.length);
thumbnail = ThumbnailUtils.extractThumbnail(bitmap, px, px);
// Not found in disk cache
if (thumbnail == null || mFile.getNeedsUpdateThumbnail()) {
// Converts dp to pixel
Resources r = MainApp.getAppContext().getResources();
// Add thumbnail to cache
if (thumbnail != null) {
addBitmapToCache(imageKey, thumbnail);
int px = (int) Math.round(r.getDimension(R.dimen.file_icon_size));
if (mFile.getIsDown()) {
Bitmap bitmap = BitmapUtils.decodeSampledBitmapFromFile(
mFile.getPath(), px, px);
if (bitmap != null) {
thumbnail = addThumbnailToCache(imageKey, bitmap, mFile.getPath(), px);
mFile.setNeedsUpdateThumbnail(false);
mStorageManager.saveFile((OCFile) mFile.getFile());
}
} else {
// Download thumbnail from server
if (mClient != null && mServerVersion != null) {
OwnCloudVersion serverOCVersion = new OwnCloudVersion(mServerVersion);
if (serverOCVersion.compareTo(new OwnCloudVersion(MINOR_SERVER_VERSION_FOR_THUMBS)) >= 0) {
try {
int status = -1;
String uri = mClient.getBaseUri() + "/index.php/apps/files/api/v1/thumbnail/" +
px + "/" + px + Uri.encode(mFile.getRemotePath(), "/");
Log_OC.d("Thumbnail", "URI: " + uri);
GetMethod get = new GetMethod(uri);
status = mClient.executeMethod(get);
if (status == HttpStatus.SC_OK) {
byte[] bytes = get.getResponseBody();
Bitmap bitmap = BitmapFactory.decodeByteArray(bytes, 0, bytes.length);
thumbnail = ThumbnailUtils.extractThumbnail(bitmap, px, px);
// Add thumbnail to cache
if (thumbnail != null) {
addBitmapToCache(imageKey, thumbnail);
}
}
} catch (Exception e) {
e.printStackTrace();
}
} catch (Exception e) {
e.printStackTrace();
} else {
Log_OC.d(TAG, "Server too old");
}
} else {
Log_OC.d(TAG, "Server too old");
}
}
}
} else if (mFile instanceof AsyncTaskFileLocal) {
// Not found in disk cache
if (thumbnail == null) {
// Converts dp to pixel
Resources r = MainApp.getAppContext().getResources();
int px = (int) Math.round(r.getDimension(R.dimen.file_icon_size));
Bitmap bitmap = BitmapUtils.decodeSampledBitmapFromFile(
mFile.getPath(), px, px);
if (bitmap != null) {
thumbnail = addThumbnailToCache(imageKey, bitmap, mFile.getPath(), px);
}
}
}
} catch (Throwable t) {
// the app should never break due to a problem with thumbnails
Log_OC.e(TAG, "Generation of thumbnail for " + mFile + " failed", t);
if (t instanceof OutOfMemoryError) {
System.gc();
}catch(Throwable t){
// the app should never break due to a problem with thumbnails
Log_OC.e(TAG, "Generation of thumbnail for " + mFile + " failed", t);
if (t instanceof OutOfMemoryError) {
System.gc();
}
}
}
return thumbnail;
}
protected void onPostExecute(Bitmap bitmap){
if (isCancelled()) {
bitmap = null;
@ -376,61 +383,73 @@ public class ThumbnailsCacheManager {
if (mImageViewReference != null && bitmap != null) {
final ImageView imageView = mImageViewReference.get();
final ThumbnailGenerationTask bitmapWorkerTask =
getBitmapWorkerTask(imageView);
final ThumbnailGenerationGlobalTask bitmapWorkerTask = getBitmapGlobalWorkerTask(imageView);
if (this == bitmapWorkerTask && imageView != null) {
if (imageView.getTag().equals(mFile.getFileId())) {
if (String.valueOf(imageView.getTag()).equals(mFile.getTagId())) {
imageView.setImageBitmap(bitmap);
}
}
}
}
}
public static class AsyncDrawable extends BitmapDrawable {
private final WeakReference<ThumbnailGenerationTask> bitmapWorkerTaskReference;
public AsyncDrawable(
Resources res, Bitmap bitmap, ThumbnailGenerationTask bitmapWorkerTask
) {
private Bitmap addThumbnailToCache(String imageKey, Bitmap bitmap, String path, int px){
Bitmap thumbnail = ThumbnailUtils.extractThumbnail(bitmap, px, px);
// Rotate image, obeying exif tag
thumbnail = BitmapUtils.rotateImage(thumbnail,path);
// Add thumbnail to cache
addBitmapToCache(imageKey, thumbnail);
return thumbnail;
}
}
public static boolean cancelPotentialGlobalWork(AsyncTaskFile file, ImageView imageView) {
final ThumbnailGenerationGlobalTask bitmapWorkerTask = getBitmapGlobalWorkerTask(imageView);
if (bitmapWorkerTask != null) {
final AsyncTaskFile bitmapData = bitmapWorkerTask.mFile;
// If bitmapData is not yet set or it differs from the new data
if (bitmapData == null || bitmapData != file) {
// Cancel previous task
bitmapWorkerTask.cancel(true);
} else {
// The same work is already in progress
return false;
}
}
// No task associated with the ImageView, or an existing task was cancelled
return true;
}
public static ThumbnailGenerationGlobalTask getBitmapGlobalWorkerTask(ImageView imageView) {
if (imageView != null) {
final Drawable drawable = imageView.getDrawable();
if (drawable instanceof AsyncGlobalDrawable) {
final AsyncGlobalDrawable asyncDrawable = (AsyncGlobalDrawable) drawable;
return asyncDrawable.getBitmapWorkerTask();
}
}
return null;
}
public static class AsyncGlobalDrawable extends BitmapDrawable {
private final WeakReference<ThumbnailGenerationGlobalTask> bitmapWorkerTaskReference;
public AsyncGlobalDrawable(
Resources res, Bitmap bitmap, ThumbnailGenerationGlobalTask bitmapWorkerTask
) {
super(res, bitmap);
bitmapWorkerTaskReference =
new WeakReference<ThumbnailGenerationTask>(bitmapWorkerTask);
new WeakReference<ThumbnailGenerationGlobalTask>(bitmapWorkerTask);
}
public ThumbnailGenerationTask getBitmapWorkerTask() {
public ThumbnailGenerationGlobalTask getBitmapWorkerTask() {
return bitmapWorkerTaskReference.get();
}
}
public static class AsyncLocalDrawable extends BitmapDrawable {
private final WeakReference<ThumbnailLocalGenerationTask> bitmapWorkerLocalTaskReference;
public AsyncLocalDrawable(Resources res, Bitmap bitmap, ThumbnailLocalGenerationTask bitmapWorkerTask) {
super(res, bitmap);
bitmapWorkerLocalTaskReference =
new WeakReference<ThumbnailLocalGenerationTask>(bitmapWorkerTask);
}
public ThumbnailLocalGenerationTask getBitmapWorkerTask() {
return bitmapWorkerLocalTaskReference.get();
}
}
/**
* Remove from cache the remoteId passed
* @param fileRemoteId: remote id of mFile passed
*/
public static void removeFileFromCache(String fileRemoteId){
synchronized (mThumbnailsDiskCacheLock) {
if (mThumbnailCache != null) {
mThumbnailCache.removeKey(fileRemoteId);
}
mThumbnailsDiskCacheLock.notifyAll(); // Wake any waiting threads
}
}
}

43
src/com/owncloud/android/ui/adapter/FileListListAdapter.java
View file

@ -17,7 +17,7 @@
*/
package com.owncloud.android.ui.adapter;
import java.io.File;
import java.util.Collections;
import java.util.Comparator;
@ -44,13 +44,12 @@ import com.owncloud.android.authentication.AccountUtils;
import com.owncloud.android.datamodel.FileDataStorageManager;
import com.owncloud.android.datamodel.OCFile;
import com.owncloud.android.datamodel.ThumbnailsCacheManager;
import com.owncloud.android.datamodel.ThumbnailsCacheManager.AsyncDrawable;
import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
import com.owncloud.android.ui.activity.ComponentsGetter;
import com.owncloud.android.utils.DisplayUtils;
import com.owncloud.android.utils.FileStorageUtils;
/**
* This Adapter populates a ListView with all files and folders in an ownCloud
@ -60,7 +59,7 @@ import com.owncloud.android.utils.FileStorageUtils;
* @author Tobias Kaminsky
* @author David A. Velasco
*/
public class FileListListAdapter extends BaseAdapter implements ListAdapter {
public class FileListListAdapter extends BaseAdapter implements ListAdapter {
private final static String PERMISSION_SHARED_WITH_ME = "S";
private Context mContext;
@ -68,8 +67,8 @@ public class FileListListAdapter extends BaseAdapter implements ListAdapter {
private Vector<OCFile> mFiles = null;
private boolean mJustFolders;
private FileDataStorageManager mStorageManager;
private Account mAccount;
private FileDataStorageManager mStorageManager;
private Account mAccount;
private ComponentsGetter mTransferServiceGetter;
private Integer mSortOrder;
public static final Integer SORT_NAME = 0;
@ -87,8 +86,8 @@ public class FileListListAdapter extends BaseAdapter implements ListAdapter {
mJustFolders = justFolders;
mContext = context;
mAccount = AccountUtils.getCurrentOwnCloudAccount(mContext);
mTransferServiceGetter = transferServiceGetter;
mTransferServiceGetter = transferServiceGetter;
mAppPreferences = PreferenceManager
.getDefaultSharedPreferences(mContext);
@ -96,13 +95,13 @@ public class FileListListAdapter extends BaseAdapter implements ListAdapter {
// Read sorting order, default to sort by name ascending
mSortOrder = mAppPreferences
.getInt("sortOrder", 0);
mSortAscending = mAppPreferences.getBoolean("sortAscending", true);
mSortAscending = mAppPreferences.getBoolean("sortAscending", true);
// initialise thumbnails cache on background thread
new ThumbnailsCacheManager.InitDiskCacheTask().execute();
}
@Override
public boolean areAllItemsEnabled() {
return true;
@ -214,28 +213,30 @@ public class FileListListAdapter extends BaseAdapter implements ListAdapter {
if (thumbnail != null && !file.needsUpdateThumbnail()){
fileIcon.setImageBitmap(thumbnail);
} else {
ThumbnailsCacheManager.AsyncTaskFile asyncTaskFile = new ThumbnailsCacheManager.AsyncTaskOCFile(file);
// generate new Thumbnail
if (ThumbnailsCacheManager.cancelPotentialWork(file, fileIcon)) {
final ThumbnailsCacheManager.ThumbnailGenerationTask task =
new ThumbnailsCacheManager.ThumbnailGenerationTask(
if (ThumbnailsCacheManager.cancelPotentialGlobalWork(asyncTaskFile, fileIcon)) {
final ThumbnailsCacheManager.ThumbnailGenerationGlobalTask task =
new ThumbnailsCacheManager.ThumbnailGenerationGlobalTask(
fileIcon, mStorageManager, mAccount
);
if (thumbnail == null) {
thumbnail = ThumbnailsCacheManager.mDefaultImg;
}
final AsyncDrawable asyncDrawable = new AsyncDrawable(
final ThumbnailsCacheManager.AsyncGlobalDrawable asyncDrawable = new ThumbnailsCacheManager.AsyncGlobalDrawable(
mContext.getResources(),
thumbnail,
task
);
fileIcon.setImageDrawable(asyncDrawable);
task.execute(file);
task.execute(asyncTaskFile);
}
}
} else {
fileIcon.setImageResource(DisplayUtils.getResourceId(file.getMimetype(), file.getFileName()));
}
if (checkIfFileIsSharedWithMe(file)) {
sharedWithMeIconV.setVisibility(View.VISIBLE);
}
@ -248,7 +249,7 @@ public class FileListListAdapter extends BaseAdapter implements ListAdapter {
// } else {
fileSizeV.setVisibility(View.INVISIBLE);
// }
lastModV.setVisibility(View.VISIBLE);
lastModV.setText(showRelativeTimestamp(file));
checkBoxV.setVisibility(View.GONE);
@ -279,7 +280,7 @@ public class FileListListAdapter extends BaseAdapter implements ListAdapter {
return view;
}
/**
* Local Folder size in human readable format
*
@ -318,8 +319,8 @@ public class FileListListAdapter extends BaseAdapter implements ListAdapter {
return result;
}
return 0;
}
}
@Override
public int getViewTypeCount() {
return 1;
@ -517,5 +518,5 @@ public class FileListListAdapter extends BaseAdapter implements ListAdapter {
private CharSequence showRelativeTimestamp(OCFile file){
return DisplayUtils.getRelativeDateTimeString(mContext, file.getModificationTimestamp(),
DateUtils.SECOND_IN_MILLIS, DateUtils.WEEK_IN_MILLIS, 0);
}
}
}

12
src/com/owncloud/android/ui/adapter/LocalFileListAdapter.java
View file

@ -36,7 +36,6 @@ import android.widget.TextView;
import com.owncloud.android.R;
import com.owncloud.android.datamodel.ThumbnailsCacheManager;
import com.owncloud.android.datamodel.ThumbnailsCacheManager.AsyncLocalDrawable;
import com.owncloud.android.utils.BitmapUtils;
import com.owncloud.android.utils.DisplayUtils;
@ -142,20 +141,21 @@ public class LocalFileListAdapter extends BaseAdapter implements ListAdapter {
if (thumbnail != null){
fileIcon.setImageBitmap(thumbnail);
} else {
ThumbnailsCacheManager.AsyncTaskFile asyncTaskFile = new ThumbnailsCacheManager.AsyncTaskFileLocal(file);
// generate new Thumbnail
if (ThumbnailsCacheManager.cancelPotentialWork(file, fileIcon)) {
final ThumbnailsCacheManager.ThumbnailLocalGenerationTask task =
new ThumbnailsCacheManager.ThumbnailLocalGenerationTask(fileIcon);
if (ThumbnailsCacheManager.cancelPotentialGlobalWork(asyncTaskFile, fileIcon)) {
final ThumbnailsCacheManager.ThumbnailGenerationGlobalTask task =
new ThumbnailsCacheManager.ThumbnailGenerationGlobalTask(fileIcon);
if (thumbnail == null) {
thumbnail = ThumbnailsCacheManager.mDefaultImg;
}
final AsyncLocalDrawable asyncDrawable = new AsyncLocalDrawable(
final ThumbnailsCacheManager.AsyncGlobalDrawable asyncDrawable = new ThumbnailsCacheManager.AsyncGlobalDrawable (
mContext.getResources(),
thumbnail,
task
);
fileIcon.setImageDrawable(asyncDrawable);
task.execute(file);
task.execute(asyncTaskFile);
}
}
} else {